<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="js/B.js" type="text/javascript"></script>
    <script src="js/c.js" type="text/javascript"></script>
    <script src="js/A.js" type="text/javascript"></script>
    <style>
        a {
            text-decoration: none;
        }

        li {
            list-style: none;
        }

        .content_r {
            margin: 0px auto;
            position: relative;
            overflow: hidden;
            width: 992px;
            height: 460px;
        }

        .content_r .al {
            display: none;
            position: absolute;
            top: 198px;
            left: 0px;
            width: 45px;
            height: 64px;
            font-size: 40px;
            text-align: center;
            line-height: 58px;
            color: #ffffff;
            background-color: #5f5750;
        }

        .content_r .ar {
            display: none;
            position: absolute;
            top: 198px;
            right: 0px;
            width: 45px;
            height: 64px;
            font-size: 40px;
            text-align: center;
            line-height: 58px;
            color: #ffffff;
            background-color: #5f5750;
        }

        .content_r .b {
            position: relative;
            height: 460px;
        }

        .content_r .b div {
            position: absolute;
        }

        .content_r .b div:nth-child(1) {
            z-index: -1;
        }

        .content_r .b div:nth-child(2) {
            z-index: -2;
        }

        .content_r .b div:nth-child(3) {
            z-index: -3;
        }

        .content_r .b div:nth-child(4) {
            z-index: -4;
        }

        .content_r .b div:nth-child(5) {
            z-index: -5;
        }

        .content_r .b div:nth-child(6) {
            z-index: -6;
        }

        .content_r ul {
            position: absolute;
            bottom: 20px;
            right: 15px;
            width: 180px;
            height: 16px;
            border-radius: 8px;

        }

        ul li {
            float: left;
            margin: 3px 6px;
            width: 8px;
            height: 8px;
            border-radius: 7px;
            border: 2px solid #adaba8;
            background-color: #838e94;
        }

        .a {
            background-color: #ffffff;
        }
    </style>

<body>
    <div class="content_r">
        <div class="b">
            <div><img src="img/1.jpg"></div>
            <div><img src="img/2.jpg"></div>
            <div><img src="img/3.jpg"></div>
            <div><img src="img/4.jpg"></div>
            <div><img src="img/5.jpg"></div>
            <div><img src="img/6.jpg"></div>
        </div>
        <a class="al" href="#"><</a>
        <a class="ar" href="#">></a>
        <ul>
        </ul>
    </div>
</body>

</html>